| Sons | Grand-sons | |
The Little Diamond    Woodcote Merry Boy (uk-can) x Fairplay |
Ashland Little Mary (form Wee Diamond) (can-usa) Worsley Costermonder (uk-can) x The Little Diamond |
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Big Ben (can)   Worsley Costermonder (uk-can) x The Little Diamond |
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Blue Diamond  Worsley Costermonder (uk-can) x The Little Diamond |
Lucky Beattock Walnut Crib (uk-can) x Blue Diamond |
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| Pudge (can) Walnut Crib (uk-can) x Blue Diamond |
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Coster Diamond (can-usa)  Worsley Costermonder (uk-can) x The Little Diamond |
Ashland Trouble Coster Diamond (can-usa) x Ashland Patience (can-usa) |
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| Biddy (can) Coster Diamond (can-usa) x Vixine (can) |
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Birchcliffe Baron  Coster Diamond (can-usa) x Pentland Daughter |
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| Blue Smoke Coster Diamond (can-usa) x Carleton Blackey |
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| Brutus (can 18800) Coster Diamond (can-usa) x Mary Pickford (can 1914) |
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| Cheetham Jewel Coster Diamond (can-usa) x Cheetham Double |
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| Cheetham Wrinkles Coster Diamond (can-usa) x Cheetham Double |
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| Clarkson Mickey Coster Diamond (can-usa) x Snooks (can) |
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| Coster Queen Coster Diamond (can-usa) x Snooks (can) |
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| Coster Queen Bessie Coster Diamond (can-usa) x Saucy Lady (can) |
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| Dellwyn Hereward Coster Diamond (can-usa) x Duchess Betty |
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| Desmond Coster Diamond (can-usa) x Mary Pickford (can 1914) |
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| Duchess Lynd Coster Diamond (can-usa) x Ashland Snowball |
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| Foch (can) Coster Diamond (can-usa) x Peaceful Diamond |
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| Glencairn Countess Coster Diamond (can-usa) x Glencairn Lady Beth (can-usa) |
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| Glencairn Pasha Coster Diamond (can-usa) x Glencairn Lady Beth (can-usa) |
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| Hoflich Little Queen Coster Diamond (can-usa) x Holmdale Lady |
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| Jean Sylvester Coster Diamond (can-usa) x Prestonia (can) |
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| Judy (can 24035) Coster Diamond (can-usa) x Snooks (can) |
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| Kensington Daisy Coster Diamond (can-usa) x Vixine (can) |
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| Lady Ashton Coster Diamond (can-usa) x Strike Out |
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| Lady B (can) Coster Diamond (can-usa) x Nellie Blye (can 24145) |
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| Lady Betty (usa 1921 Sutcliffe) Coster Diamond (can-usa) x Lady May Warfleigh (can 1919) |
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| Lady Constance I I (can) Coster Diamond (can-usa) x Mary Pickford (can 1914) |
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| Lady Dudley (can) Coster Diamond (can-usa) x Prestonia (can) |
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| Lady Gwendoline (can) Coster Diamond (can-usa) x Lady Betty Grey |
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| Lady Martin Coster Diamond (can-usa) x Snooks (can) |
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| Lady Of Cambrai Coster Diamond (can-usa) x Lady Muggles (can 1916) |
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| Lady Pansy (can) Coster Diamond (can-usa) x Mary Pickford (can 1914) |
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| Leister Queen Coster Diamond (can-usa) x Saucy Lady (can) |
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| Lincoln Lassie Coster Diamond (can-usa) x Edinborough Lassie |
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| Logan Queen Coster Diamond (can-usa) x Cheetham Double |
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| Marcus Of Bally Cool Coster Diamond (can-usa) x Miss Cheetham |
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| Martindale Mazie Coster Diamond (can-usa) x Red Feather I I |
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| Martindale Pribcess Queen Coster Diamond (can-usa) x Red Feather I I |
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| Mayos Brindle Kid (can-usa) Coster Diamond (can-usa) x Holmdale Lady |
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| Miss Louvain Coster Diamond (can-usa) x Pentland Daughter |
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| Mogul (can) Coster Diamond (can-usa) x Duchess Betty |
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| Newport Unique Coster Diamond (can-usa) x Peaceful Diamond |
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| Peter The Great (can 1919) Coster Diamond (can-usa) x Duchess Betty |
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| Primrose (can) Coster Diamond (can-usa) x Nellie Blye (can 24145) |
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| Prince Alphonse Coster Diamond (can-usa) x Dinah Duchess |
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| Princess Diamond Coster Diamond (can-usa) x Vixine (can) |
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| Princess Muggles Coster Diamond (can-usa) x Dinah Duchess |
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| Roxton Girl Coster Diamond (can-usa) x Mary Pickford (can 1914) |
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| Sandfield Hilda Coster Diamond (can-usa) x Sandfield Muggins |
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| Sir Haig Coster Diamond (can-usa) x Sandfield Muggins |
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| Squire Diamond Coster Diamond (can-usa) x Cross Diamond |
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| Tiger Lily (can 19628) Coster Diamond (can-usa) x Prestonia (can) |
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| Vixine Double Coster Diamond (can-usa) x Vixine (can) |
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| Vixine Lily Coster Diamond (can-usa) x Vixine (can) |
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| Vixine Nanny Coster Diamond (can-usa) x Vixine (can) |
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| Warfleigh Brin Coster Diamond (can-usa) x Nellie Blye (can 24145) |
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| White Diamond (can 20832) Coster Diamond (can-usa) x Peaceful Diamond |
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| White Heather (can) Coster Diamond (can-usa) x Cheetham Double |
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| Daisy Diamond Red Diamond x The Little Diamond |
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Ch Drewstone Bell (can-usa)  Worsley Costermonder (uk-can) x The Little Diamond |
Duncan Queen Of The Roost Drewstone King Of The Roost x Ch Drewstone Bell (can-usa) |
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| King Of The Walk Drewstone King Of The Roost x Ch Drewstone Bell (can-usa) |
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| Reveille Betsy Ross Drewstone King Of The Roost x Ch Drewstone Bell (can-usa) |
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| Reveille Clipper Drewstone King Of The Roost x Ch Drewstone Bell (can-usa) |
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| Drewstone Bill Worsley Costermonder (uk-can) x The Little Diamond |
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| Lady Curzon (can) Delamere Precursor (uk-can) x The Little Diamond |
Billie Crib Walnut Crib (uk-can) x Lady Curzon (can) |
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| Charvey Girl Melbourne Prince Albert (can-usa) x Lady Curzon (can) |
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| Crib Last Walnut Crib (uk-can) x Lady Curzon (can) |
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| Green Stone Walnut Crib (uk-can) x Lady Curzon (can) |
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| Henchman Of Cerberus Melbourne Prince Albert (can-usa) x Lady Curzon (can) |
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| Imperial Prince Walnut Crib (uk-can) x Lady Curzon (can) |
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| Kentish Lad Melbourne Prince Albert (can-usa) x Lady Curzon (can) |
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| Mary Jane I V (can-usa) Melbourne Prince Albert (can-usa) x Lady Curzon (can) |
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| Rough Diamond Homewood Jumbo (uk-can) x The Little Diamond |
John Bull Junior Rough Diamond x Nora (can) |
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| Swanwick Rough Diamond x Rough And Ready |
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| Royal Diamond Red Diamond x The Little Diamond |
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| Tiny Diamond Worsley Dreadnought (uk-can) x The Little Diamond |
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| Wee Diamond (form Ashland Little Mary) Worsley Costermonder (uk-can) x The Little Diamond |